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A large punch bowl holds 3.45kg of lemonade (which is essentially water) at 20.0°C. A 0.33-kg ice cube at-10.2°C is placed in the lemonade. What is the final temperature of the system, and the amount of ice (if any) remaining? Ignore any heat exchange with the bowl or the surroundings.
A mass lies on a inline plane with an angle of q with the horizontal by a string connected to the top of the plane. What minimum value of the coefficient of static friction
a ball of mass 8.0 g with a speed of 20.5 ms strikes a wall at an angle 21.0o and then rebounds with the same speed and
Calculate the maximum speed in m/s that the caravan can go round the corner without overturning or sliding.
Find the speed of a satellite moving in a circular orbit just above the surface of Mars. Mars has a radius of 3.40 106 m and a mass of 6.42 1023 kg
A 30,000-kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps 110,000 kg of scrap metal into it. What is the final velocity of the loaded freight car
The outfielder throws a baseball with an initial speed of 10 m/s. An infielder catches the ball at the level 1 m lower, what work is done by air resistance
For a particular RLC series circuit, the capacitive reactance is 9.75 ?, the inductive reactance is 42.7 ?, What is the maximum voltage across the circuit?
805-N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to obtain to the other side because of a lack of friction among his shoes and the ice. To overcome this difficulty, he throws his 1.2-kg physics textbook horizontally towar..
The position of a particle is given by the expression x = 4.00 cos (2.00?t + ?/4), where x is in meters and t is in seconds. Determine the position of the particle at t = 0.350 s
Object O1 is 16.6 cm to the left of a converging lens with a 10.7-cm focal length. A second lens is positioned 10.0 cm to the right of the first lens and is observed to form a virtual image at the position of the original object O1.
A window air conditioner consumes 1500 W of electric power and has COP = 3.7. If it runs continuously for 18h , how much heat gets removed from the house? Express your answer to two significant figures and include the appropriate units.
The skis have a thrust of 200. Sam's speed at the bottom is 43.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
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